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(parent: 7683ca4) | patch
AVX-512: Optimized SIMD truncate operations for AVX512F set.
authorElena Demikhovsky <elena.demikhovsky@intel.com>
Sun, 1 Nov 2015 11:45:47 +0000 (11:45 +0000)
committerElena Demikhovsky <elena.demikhovsky@intel.com>
Sun, 1 Nov 2015 11:45:47 +0000 (11:45 +0000)
commit77ab058bf80f0f04a2c8d22fd375795d6ddd7483
treeeed732d79ea3f8e8fd7cfb203709852816ad58dftree | snapshot
parent7683ca45222185cb2a09992dd32a291a03adaa32commit | diff
AVX-512: Optimized SIMD truncate operations for AVX512F set.
Optimized <8 x i32> to <8 x i16>
<4 x i64> to < 4 x i32>
<16 x i16> to <16 x i8>
All these oprtrations use now AVX512F set (KNL). Before this change it was implemented with AVX2 set.

Differential Revision: http://reviews.llvm.org/D14108

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@251764 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86ISelLowering.cpp diff | blob | history
lib/Target/X86/X86InstrAVX512.td diff | blob | history
test/CodeGen/X86/avx512-trunc.ll diff | blob | history
test/CodeGen/X86/vector-lzcnt-128.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors